单项选择题

A．He worked for a medical periodical.
B．He published a paper about computer science.
C．He suggested a link between smoke and lung cancer.
D．He opened a hospital with his partner.
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单项选择题
A．He likes kids and has worked in a children’’s camp.B．He is lazy and immature but good in a crisis.C．He quarrels with everyone he works with.D．He is immature and loves playing tricks on people.
A．He likes kids and has worked in a children’’s camp.
B．He is lazy and immature but good in a crisis.
C．He quarrels with everyone he works with.
D．He is immature and loves playing tricks on people.
单项选择题
A．70.B．27.C．17.D．22.
A．70.
B．27.
C．17.
D．22.
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